Home / Standards / GB/T 32.2-2025 GB/T 32.2-2025 Active Fasteners—Hexagon head bolts with split pin hole on head—Part 2: Reduced shank — Product grade B 紧固件 六角头头部带孔螺栓 第2部分:细杆 B级 Standard Type GBT ICS 21.060.10 CCS J13 Status 现行 Issue Date 2025-10-05 Implementation 2026-02-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A